DE257383C - - Google Patents
Info
- Publication number
- DE257383C DE257383C DENDAT257383D DE257383DA DE257383C DE 257383 C DE257383 C DE 257383C DE NDAT257383 D DENDAT257383 D DE NDAT257383D DE 257383D A DE257383D A DE 257383DA DE 257383 C DE257383 C DE 257383C
- Authority
- DE
- Germany
- Prior art keywords
- screw
- plate
- ball
- test piece
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000000056 organs Anatomy 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 230000036633 rest Effects 0.000 description 1
- 230000000284 resting Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE257383C true DE257383C (ja) |
Family
ID=515310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT257383D Active DE257383C (ja) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE257383C (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0283684A1 (en) * | 1987-03-18 | 1988-09-28 | Alfred Ernst | A driving device for a hardness measuring instrument |
-
0
- DE DENDAT257383D patent/DE257383C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0283684A1 (en) * | 1987-03-18 | 1988-09-28 | Alfred Ernst | A driving device for a hardness measuring instrument |
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